import ctypes

PUL = ctypes.POINTER(ctypes.c_ulong)

class KeyBdInput(ctypes.Structure):
    _fields_ = [("wVk", ctypes.c_ushort),
                ("wScan", ctypes.c_ushort),
                ("dwFlags", ctypes.c_ulong),
                ("time", ctypes.c_ulong),
                ("dwExtraInfo", PUL)]


class HardwareInput(ctypes.Structure):
    _fields_ = [("uMsg", ctypes.c_ulong),
                ("wParamL", ctypes.c_short),
                ("wParamH", ctypes.c_ushort)]


class MouseInput(ctypes.Structure):
    _fields_ = [("dx", ctypes.c_long),
                ("dy", ctypes.c_long),
                ("mouseData", ctypes.c_ulong),
                ("dwFlags", ctypes.c_ulong),
                ("time", ctypes.c_ulong),
                ("dwExtraInfo", PUL)]


class Input_I(ctypes.Union):
    _fields_ = [("ki", KeyBdInput),
                ("mi", MouseInput),
                ("hi", HardwareInput)]

class Input(ctypes.Structure):
    _fields_ = [("type", ctypes.c_ulong),
                ("ii", Input_I)]

def set_pos(x, y):
    x = 1 + int(x * 65536./1920.)
    y = 1 + int(y * 65536./1080.)
    extra = ctypes.c_ulong(0)
    ii_ = Input_I()
    ii_.mi = MouseInput(x, y, 0, (0x0001 | 0x8000), 0, ctypes.pointer(extra))
    command = Input(ctypes.c_ulong(0), ii_)
    ctypes.windll.user32.SendInput(1, ctypes.pointer(command), ctypes.sizeof(command))

def left_click():
    extra = ctypes.c_ulong(0)
    ii_ = Input_I()
    ii_.mi = MouseInput(0, 0, 0, 0x0002, 0, ctypes.pointer(extra))
    x = Input(ctypes.c_ulong(0), ii_)
    ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))

    extra = ctypes.c_ulong(0)
    ii_ = Input_I()
    ii_.mi = MouseInput(0, 0, 0, 0x0004, 0, ctypes.pointer(extra))
    x = Input(ctypes.c_ulong(0), ii_)
    ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))